<?php
/**
 * Created by PhpStorm.
 * User: Administrator
 * Date: 2021/11/30
 * Time: 11:22
 */
namespace application\test;

require_once "test1.php";
class testChild extends test1{
    public function createBill()
    {
        echo "我要创建一个订单，希望你不要不识好歹<br>";
        $this->createNum = $this->createSecretNum();
        parent::createBill($this->createNum);
    }

}